On Wed, 23 Apr 2025, at 11:52 PM, Hugo Villeneuve wrote:

From: Mikael Gonella-Bolduc mgonellabolduc@dimonoff.com

The power control function ignores the "on" argument when setting the report ID, and thus is always sending HID_POWER_SLEEP. This causes a problem when trying to wakeup.

Fix by sending the state variable, which contains the proper HID_POWER_ON or HID_POWER_SLEEP based on the "on" argument.

Fixes: 3c98b8dbdced ("Input: cyttsp5 - implement proper sleep and wakeup procedures") Cc: stable@vger.kernel.org Signed-off-by: Hugo Villeneuve hvilleneuve@dimonoff.com Signed-off-by: Mikael Gonella-Bolduc mgonellabolduc@dimonoff.com

Reviewed-by: Alistair Francis alistair@alistair23.me

Alistair

---

Changes for v2:

• Add Mikael SOB tag

drivers/input/touchscreen/cyttsp5.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/cyttsp5.c b/drivers/input/touchscreen/cyttsp5.c index eafe5a9b89648..86edcacb4ab3e 100644 --- a/drivers/input/touchscreen/cyttsp5.c +++ b/drivers/input/touchscreen/cyttsp5.c @@ -580,7 +580,7 @@ static int cyttsp5_power_control(struct cyttsp5 *ts, bool on) int rc; SET_CMD_REPORT_TYPE(cmd[0], 0);

• SET_CMD_REPORT_ID(cmd[0], HID_POWER_SLEEP);

• SET_CMD_REPORT_ID(cmd[0], state);

SET_CMD_OPCODE(cmd[1], HID_CMD_SET_POWER); rc = cyttsp5_write(ts, HID_COMMAND_REG, cmd, sizeof(cmd));

base-commit: 7adf8b1afc14832de099f9e178f08f91dc0dd6d0

2.39.5